Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 49, NWS Tallahassee, FL

March 18, 1995Jefferson County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 18, 1995, 5:34 PM EST for Jefferson County, Florida. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Mar 18, 1995, 5:34 PM EST (22:34 UTC)
Expired
Mar 18, 1995, 6:15 PM EST
In force
41 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Jefferson County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.6 hours before the alert went out and 38 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 1995-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 1995-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
986 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTLH 182237 RRA
SVRTLH
FLC065-182315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
534 PM EST SAT MAR 18 1995
 
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH FLORIDA
 
   ...JEFFERSON COUNTY
 
AND THE ADJACENT COASTAL WATERS ALONG THE NORTH FLORIDA COAST
AND THE ADJACENT COASTAL WATERS
 
AT 532 PM EST NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM NEAR AUCILLA IN EASTERN JEFFERSON COUNTY MOVING SLOWLY TO
THE WEST.
 
A SECOND SEVERE THUNDERSTORM WAS LOCATED BY RADAR JUST NORTHEAST OF
MICCOSUKEE IN EXTREME NORTHEAST JEFFERSON COUNTY... AND IS PROBABLY
PRODUCING MARBLE TO GOLFBALL SIZED HAIL. THE STORM IS SHOWING LITTLE
MOVEMENT.
 
DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING
ARE ALL POSSIBLE IN A SEVERE THUNDERSTORM. SEEK SHELTER IN A STRONG
BUILDING. STAY AWAY FROM WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES. A MOBILE HOME IS NOT A SAFE REFUGE FROM A
SEVERE THUNDERSTORM...MOVE TO A MORE SUBSTANTIAL BUILDING.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 18, 3:07 PM EST, 2 hours 27 minutes before
FLZ014-015-182300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FL
307 PM EST SAT MAR 18 1995

...STRONG THUNDERSTORMS DEVELOPING OVER GULF AND FRANKLIN COUNTIES...

AT AT 350 PM EST...THE APALACHICOLA RADAR INDICATED STRONG
THUNDERSTORMS DEVELOPING IN GULF AND FRANKLIN COUNTIES...IN THE
MEXICO BEACH AREA AND THE ANOTHER TO THE EAST OF WEWAHITCHKA. OTHER
STORMS WILL DEVELOP THROUGH THE AFTERNOON AND EVENING HOURS.

THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE SMALL HAIL...HEAVY
DOWNPOURS...DANGEROUS LIGHTNING...AND STRONG GUSTY WINDS.  RESIDENTS
SHOULD BE PREPARED TO TAKE SHELTER AS THESE STORMS APPROACH.  STAY
TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL BROADCAST STATION FOR
FURTHER UPDATES.

NNNN
Special weather statement, Mar 18, 3:52 PM EST, 1 hour 42 minutes before
FLZ014-015-182300-

SPECIAL WEATHER STATEMENT...CORR...
NATIONAL WEATHER SERVICE APALACHICOLA FL
307 PM EST SAT MAR 18 1995

...STRONG THUNDERSTORMS DEVELOPING OVER GULF AND FRANKLIN COUNTIES...

AT AT 250 PM EST...THE APALACHICOLA RADAR INDICATED STRONG
THUNDERSTORMS DEVELOPING IN GULF AND FRANKLIN COUNTIES...IN THE
MEXICO BEACH AREA AND THE ANOTHER TO THE EAST OF WEWAHITCHKA. OTHER
STORMS WILL DEVELOP THROUGH THE AFTERNOON AND EVENING HOURS.

THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE SMALL HAIL...HEAVY
DOWNPOURS...DANGEROUS LIGHTNING...AND STRONG GUSTY WINDS.  RESIDENTS
SHOULD BE PREPARED TO TAKE SHELTER AS THESE STORMS APPROACH.  STAY
TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL BROADCAST STATION FOR
FURTHER UPDATES.

NNNN

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 3:12 PM ESTSevere Thunderstorm WarningTAEHolmes63 min
Mar 18, 3:41 PM ESTSevere Thunderstorm WarningTAEHolmes, Walton, Washington64 min
Mar 18, 3:54 PM ESTSevere Thunderstorm WarningTAEGadsden66 min
Mar 18, 4:37 PM ESTSevere Thunderstorm WarningTAEBay53 min
Mar 18, 5:03 PM ESTSevere Thunderstorm WarningTAEMadison42 min
Mar 18, 5:27 PM ESTSevere Thunderstorm WarningTAELeon, Wakulla48 min
Mar 18, 6:40 PM ESTSevere Thunderstorm WarningTAETaylor65 min

Nearby

Severe Thunderstorm Warnings in Florida, 1995Every severe thunderstorm warning in 1995

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.